523225352 has 48 divisors (see below), whose sum is σ = 1068935940. Its totient is φ = 239985408.

The previous prime is 523225343. The next prime is 523225357. The reversal of 523225352 is 253522325.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 265494436 + 257730916 = 16294^2 + 16054^2 .

It is not an unprimeable number, because it can be changed into a prime (523225357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232778 + ... + 235014.

Almost surely, 2^523225352 is an apocalyptic number.

523225352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523225352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534467970).

523225352 is an abundant number, since it is smaller than the sum of its proper divisors (545710588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523225352 is a wasteful number, since it uses less digits than its factorization.

523225352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2425 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 523225352 is about 22874.1196989086. The cubic root of 523225352 is about 805.8043229457.

Adding to 523225352 its reverse (253522325), we get a palindrome (776747677).

The spelling of 523225352 in words is "five hundred twenty-three million, two hundred twenty-five thousand, three hundred fifty-two".